11 12 006 Removing and installing/sealing right cylinder head cover (S63)
Special tools required:
Necessary preliminary tasks:
- Disconnect NEGATIVE BATTERY TERMINAL
- Remove ACOUSTIC COVER
- Remove RIGHT INTAKE SILENCER HOUSING
- Remove right INTERCOOLER
- Disconnect FUEL DELIVERY LINE
- Detach engine wiring harness and wiring harness for injectors and lay to one side
- Remove IGNITION COILS , cylinders 1-4
- Remove HIGH PRESSURE PUMP
- Remove INJECTORS , cylinders 1-4
- Remove CATALYTIC CONVERTER for cylinders 1-4.
- Remove TURBOCHARGER , cylinders 1-4.
- Remove VACUUM PUMP .
- Remove washing water filler neck.
Remove retaining clips (1).
Release screws (1).
Remove holder (2).
Tightening torque: 11 12 4AZ .
Release screws (1).
Remove heat shield (2).
Release screw connections in the sequence (16 to 1).
Remove cylinder head cover.
Clean sealing surface (1 and 2) with special tool 11 4 470 .
Installation note:
Replace profile seals (1 and 2).
Installation note:
Renew sealing ring (1) for lubrication of vacuum pump.
Installation note:
It is important to insert screws (15 and 16) for exact positioning of the camshaft sensors.
Fit cylinder head cover.
Position screws (15 and 16).
Release screws again by a 90° turn.
Secure cylinder head cover in sequence (1 to 16) in two work steps.
Tightening torque 11 12 3AZ .
Assemble engine.